I was searching for some online C-DAC (Center for Development of Advanced Computing) papers; found some useful links that might help people who are looking for C-DAC sample question paper on web.Mahidhar Babu has posted 124 sample question with answers on ittestpapers click here
Found 6 set of papers on geekinterview click here
11 pages of placement papers from yuvajobs click here
C-DAC education and training official site page is here